Yes, it was grammatically dense, and it made use of many modern terms as defined in the social justice realms of the Tumblr, but it effectively conveyed exactly what it was meant to. If it was hard for you to follow, though, I'll put it in simpler terms:
Gender norms and gender normativity are bullshit, and if saying that offends you somehow, you can get over it. You can't define someone with a single word like "masculine" or "feminine" because as societal standards, they've become completely impossible.